2022 PassTorrent Huawei H12-261_V3.0-ENU Dumps and Exam Test Engine
Huawei H12-261_V3.0-ENU DUMPS WITH REAL EXAM QUESTIONS
NEW QUESTION 229
After the BGP connection is successful, then down, what are the reasons for the impossible?
- A. Received incorrect BGP packets.
- B. The mandatory attribute in the routing update message is lost.
- C. After the BGP connection is established, the keepalive packet is not received within the negotiated holdtime.
- D. Open packet negotiation failed.
Answer: D
NEW QUESTION 230
What is wrong about the description of the permanent multicast address?
- A. All routers running OSPF protocol listen on 224.0.0.5
- B. All hosts and routers in the network segment listen to 224.0.0.1
- C. All routers running PIM protocol listen to 224.0.0.100
- D. All routers listen on 224.0.0.2
Answer: C
NEW QUESTION 231
Which of the following statements about IS-IS (IPv6) are correct? (Multiple questions)
- A. By default, IS-IS enables the multi-topology feature
- B. In order to support the processing and calculation of IPv6 routing, IS-IS added NLPID in 129TLV
- C. To support the processing and calculation of IPv6 routing, IS-IS has added TLV 232, 236
- D. IS-IS works at the data link layer and only needs to add a new TLV to support IPv6
Answer: B,C,D
NEW QUESTION 232
Non-Stopping-Forwarding (NSF) and Non-Stopping Routing (NSR) are two solutions for high reliability. Which of the following statements are correct? (Multiple choice)
- A. NSR routers need to negotiate NSR support through specific packet negotiation.
- B. After the NSF is enabled, the router performs the master/slave switchover. The routing table and the forwarding table remain unchanged. Therefore, traffic is not lost during the GR time.
- C. After the NSR is enabled, if the main control board fails when the service batch backup is not completed, the NR switch cannot be completed.
- D. NSF routers do not need to support NSF through specific packet negotiation.
Answer: B,C
NEW QUESTION 233
Which of the following LSAs only spread in a single area? (Multiple choice)
- A. Router LSA
- B. AS External LSA
- C. Network LSA
- D. Summary LSA
Answer: A,C,D
NEW QUESTION 234
In the MPLS-BGP-VPN environment, if the label is only distributed through BGP or LDP, the MPLS label of the packet has at most two layers of labels.
- A. True
- B. False
Answer: A
NEW QUESTION 235
Huawei's two switches, SWA and SWB, are connected through seven Ethernet ports and are configured with static link aggregation. The corresponding ports on the switch SW are Ethernet 1/0/2, Ethernet 1/0/3, Ethernet 1/0/4, and Ethernet 1/0/5, Ethernet 1/0/6, and Ethernet 1/0/7. The configuration mode is configured in the order of the ports. If the switch SWA and SWB support only 6 ports in each aggregation group.
- A. Ethernet1/0/1 Unselected port when the configurations of the ports are the same
- B. In the case that the configurations of the ports are the same, the SWA randomly selects one of the seven ports as the aggregation group Unselected port.
- C. Ethernet1/0/7 Unselected port with consistent port configuration
- D. Ethernet1/0/6 Unselected port with consistent port configuration
Answer: C
NEW QUESTION 236
Which of the following information can be included in a basic network layer packet? (Multiple choice)
- A. Network layer header
- B. Data link layer header
- C. Path record
- D. Network layer tail
- E. Upper layer data
Answer: A,E
NEW QUESTION 237
Which scenario can use AS-path -filter?
- A. If-match clause in Route-policy
- B. Filter the route received to the BGP neighbor according to the AS_PATH attribute carried in the route. For example, the command peer x.x.x.x as-path-filter import
- C. apply clause in Route-policy
- D. Filter the route sent to the BGP neighbor according to the AS_PATH attribute carried in the route. For example, the command peer x.x.x.x as-path-filter export
Answer: A,B,D
NEW QUESTION 238
Which of the following description about the related information of BGP4+ is correct? (Multiple choice)
- A. Bgp4+ can use the dampening command to suppress IBGP routes.
- B. BGP4+ does not support automatic route aggregation.
- C. The Next Hop attribute in BCP4+ is represented by the Pv6 address, which can be the link-local address of the next hop.
- D. Modifying the Router ID of the BCP will cause the BGP connection between the routers to be re-established.
Answer: A,B,D
NEW QUESTION 239
Which of the following series can be matched by the regular expression [^100 | 200]$? (Multiple choice)
- A. 200 100 300
- B. 100 200 300
- C. 300 200 100
- D. 100 300 200
Answer: A,B,D
NEW QUESTION 240
LDP messages are exchanged between LSRs running the LDP protocol. LDP messages can be divided into four types according to their functions. Which of the following is not an LDP message type?
- A. Discovery
- B. Announcement
- C. Label exchange messages
- D. Conversation message
Answer: C
NEW QUESTION 241
An engineer uses two routers to test IPv6 services and simulates the interconnection between headquarters and branches by running BGP4+.
as the picture shows. An engineer captures the packet to view the Update message sent by R1.
Description of the message information. Which of the following statements is correct?
- A. The route described by the message may be imported through import
- B. The message describes the currently revoked IPv6 route
- C. The next hop address of the route described in this message is: 2001:db8:2345:1::1
- D. Content to be added
Answer: D
NEW QUESTION 242
What is LSA for the flooding scope of the entire autonomous system in the OSPFv3?
- A. Inter Area-Prefix-LSA
- B. AS-external-LSA
- C. Intra-Area-Pre fir-LSA
- D. Link-LSA
Answer: B
NEW QUESTION 243
In the forwarding table of the switch, one MAC address can only correspond to one outgoing interface at the same time.
- A. False
- B. True
Answer: A
NEW QUESTION 244
Which of the following are the advantages of VLAN aggregation? (Multiple Choice)
- A. Reduce the waste of IP addresses
- B. Increase the number of available VLANs
- C. Increase flexibility of addressing
- D. Realize the isolation of broadcast domains between Sub-VLANs
Answer: A,B,C,D
NEW QUESTION 245
If the temperature is found to be too high, it can be concluded that the fan has failed.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 246
As shown in the figure, the router load balances the traffic between the branch network 1 and the branch network 2. In this case, configure the URPP defense source IP address spoofing attack on the physical interface of the router to use loose mode.
- A. True
- B. False
Answer: A
NEW QUESTION 247
When DLDP detects a unidirectional link on an interface, the default operations on Huawei devices include: DLDP switches to the interface to Disable state, generates a trap and sets the interface state to DLDP Down.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 248
What command can be used to prevent users from accessing multiple devices through the HUB on the access port of the switch?
- A. [Huaweiinterface GigabitEthernet 0/0/1 [Huawei-GigabitEthernetO/0/1]port link type access [Huawei GigabitEtherneto/0/jipsg enable
- B. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernetO/0/1]port link type trunk [Huawei-GigabitEtherneto/0/1]port trunk allow pass vlan 10
- C. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/O ]port link-type access [Huawei-GigabitEthernet0/O ]port-isolate enable
- D. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/O ]port link-type access [Huawei-GigabitEthernet0/O ]port-security enable
Answer: D
NEW QUESTION 249
A campus deploys OSPF to achieve network interoperability. An engineer configures R2 as shown in the figure. What is wrong with the following description of LSA in the OSPF network?
[R2] acl 2000
[R2-acl-basic-2000] rule deny
[R2-acl-basic-2000] quit \
[R2] ospf
[R2-ospf-1] area 1
[R2-ospf-1-area-0.0.0.1] filter 2000 import
[R2-ospf-1-area-0.0.0.1] quit
[R2-ospf- 1] default-route-advertise always
- A. There is Type5 LSA flooding in Area1
- B. There is no Type 3 LSA flooding in Area 2
- C. There is no Type3 LSA flooding in Area1
- D. There is Type5 LSA universal method in Area2
Answer: C
NEW QUESTION 250
In PIM-SM, which of the following descriptions of the PIM Join message is correct?
- A. The PIM Join message is sent every 3 minutes to show the status of the new upstream router mroute for the multicast tree
- B. The PIM Join message is sent every 60 seconds to refresh the status of the upstream router mroute for the multicast tree
- C. The upstream router sends a PIM Join confirmation in response to each PIM Join message received from the downstream router
- D. The PIM Join message is only sent when the multicast tree is established for the first time
Answer: B
NEW QUESTION 251
Mainstream Layer 2 tunneling technologies include VXLAN, TRILL, NVGB and MPLS.
- A. TURE
- B. FALSE
Answer: A
NEW QUESTION 252
You are now troubleshooting a LAN, and you are expecting the error to be caused by a mismatch in the working mode. Those switch interface errors indicate that the working mode of the 10/100/1000 IEEE gigabit interface does not match? (Multiple choice)
- A. Excessive conflict
- B. Super small frame
- C. Alignment error
- D. FCS error
- E. Lagging conflict
Answer: A,B,C,D,E
NEW QUESTION 253
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